railway all run through the town, Pyhäjärvi is well situated in an intersection of communication and transport services. The town has also an airfield.

The town of Pyhäjärvi was founded in 1866, and it was then named after Lake Pyhäjärvi, a lake of 125 km2 and rich in fish. Pyhäjärvi became officially a town in January 1993. The town has inhabitants , of whom some 60 percent live in the two population centres Pyhäsalmi and Ruotanen. It is the second smallest town of Finland in term of population after Kaskinen